0x224c    0xffe2
0x225d    0x22a5
0x2265    0x221a
0x2269    0x222b
0x2d70    0x2252
0x2d71    0x2261
0x2d77    0x2220
0x2d7a    0x2235
0x2d7b    0x2229
0x2d7c    0x222a
